Olivia Wilde's One-Year-Old Son Otis Goes Wild With Her Bra!

Olivia Wilde walks the carpet for The Headstrong Project’s third annual Words of War event on Monday evening (October 19) at One World Trade Center in New York City.

The 31-year-old actress was joined by Chris Rock, Seth Meyers and his wife Alexi Ashe to support the organization, which provides cost free mental healthcare to veterans.

PHOTOS: Check out the latest pics of Olivia Wilde

Earlier in the week, Olivia took to her Instagram to share a funny snap of her one-year-old son Otis playing with her bra!

“Hey, bra,” she captioned the image of the adorable little boy.

FYI: Olivia is wearing a Roksanda dress and Paul Andrew shoes.